Finding the Fourth Proportional to 727,361.24, 1,003,686.62 and 405,101.33
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Solution
The fourth proportional to 727,361.24, 1,003,686.62 and 405,101.33 is: 558,999.79
Step by Step Solution
- Step 1: Write the proportion equation
727,361.24 : 1,003,686.62 = 405,101.33 : x - Step 2: Convert to fraction form
727,361.24/1,003,686.62 = 405,101.33/x - Step 3: Cross multiply
727,361.24x = 1,003,686.62 × 405,101.33 - Step 4: Simplify right side
727,361.24x = 406,594,782,639.70 - Step 5: Solve for x
x = 406,594,782,639.70/727,361.24 - Step 6: Final answer
x = 558,999.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.